<template>
    <div>
        <Dialog v-model="dialogVisible" :title="dialogTitle" @close="close" width="800px">
            <el-form ref="formRef" :model="formData" :rules="formRules" label-width="120px" v-loading="formLoading">
                <el-form-item label-width="180px" label="渠道费率" prop="feeRate">
                    <el-input v-model="formData.feeRate" placeholder="请输入渠道费率" clearable :style="{ width: '100%' }">
                        <template #append>%</template>
                    </el-input>
                </el-form-item>
                <el-form-item label-width="180px" label="微信 APPID" prop="config.appId">
                    <el-input v-model="formData.config.appId" placeholder="请输入微信 APPID" clearable
                        :style="{ width: '100%' }" />
                </el-form-item>
                <el-form-item label-width="180px" label="商户号" prop="config.mchId">
                    <el-input v-model="formData.config.mchId" :style="{ width: '100%' }" />
                </el-form-item>
                <el-form-item label-width="180px" label="渠道状态" prop="status">
                    <el-radio-group v-model="formData.status">
                        <el-radio v-for="dict in getDictOptions(DICT_TYPE.COMMON_STATUS)" :key="parseInt(dict.value)"
                            :label="parseInt(dict.value)">
                            {{ dict.label }}
                        </el-radio>
                    </el-radio-group>
                </el-form-item>
                <el-form-item label-width="180px" label="API 版本" prop="config.apiVersion">
                    <el-radio-group v-model="formData.config.apiVersion">
                        <el-radio label="v2">v2</el-radio>
                        <el-radio label="v3">v3</el-radio>
                    </el-radio-group>
                </el-form-item>
                <div v-if="formData.config.apiVersion === 'v2'">
                    <el-form-item label-width="180px" label="商户密钥" prop="config.mchKey">
                        <el-input v-model="formData.config.mchKey" placeholder="请输入商户密钥" clearable
                            :style="{ width: '100%' }" type="textarea" :autosize="{ minRows: 8, maxRows: 8 }" />
                    </el-form-item>
                    <el-form-item label-width="180px" label="apiclient_cert.p12 证书" prop="config.keyContent">
                        <el-input v-model="formData.config.keyContent" type="textarea"
                            placeholder="请上传 apiclient_cert.p12 证书" readonly :autosize="{ minRows: 8, maxRows: 8 }"
                            :style="{ width: '100%' }" />
                    </el-form-item>
                    <el-form-item label-width="180px" label="">
                        <el-upload :limit="1" accept=".p12" action="" :before-upload="p12FileBeforeUpload"
                            :http-request="keyContentUpload">
                            <el-button type="primary">
                                <Icon icon="ep:upload" class="mr-5px" />
                                点击上传
                            </el-button>
                        </el-upload>
                    </el-form-item>
                </div>
                <div v-if="formData.config.apiVersion === 'v3'">
                    <el-form-item label-width="180px" label="API V3 密钥" prop="config.apiV3Key">
                        <el-input v-model="formData.config.apiV3Key" placeholder="请输入 API V3 密钥" clearable
                            :style="{ width: '100%' }" type="textarea" :autosize="{ minRows: 8, maxRows: 8 }" />
                    </el-form-item>
                    <el-form-item label-width="180px" label="apiclient_key.pem 证书" prop="config.privateKeyContent">
                        <el-input v-model="formData.config.privateKeyContent" type="textarea"
                            placeholder="请上传 apiclient_key.pem 证书" readonly :autosize="{ minRows: 8, maxRows: 8 }"
                            :style="{ width: '100%' }" />
                    </el-form-item>
                    <el-form-item label-width="180px" label="" prop="privateKeyContentFile">
                        <el-upload ref="privateKeyContentFile" :limit="1" accept=".pem" action=""
                            :before-upload="pemFileBeforeUpload" :http-request="privateKeyContentUpload">
                            <el-button type="primary">
                                <Icon icon="ep:upload" class="mr-5px" />
                                点击上传
                            </el-button>
                        </el-upload>
                    </el-form-item>
                    <el-form-item label-width="180px" label="apiclient_cert.pem证书" prop="config.privateCertContent">
                        <el-input v-model="formData.config.privateCertContent" type="textarea"
                            placeholder="请上传apiclient_cert.pem证书" readonly :autosize="{ minRows: 8, maxRows: 8 }"
                            :style="{ width: '100%' }" />
                    </el-form-item>
                    <el-form-item label-width="180px" label="" prop="privateCertContentFile">
                        <el-upload ref="privateCertContentFile" :limit="1" accept=".pem" action=""
                            :before-upload="pemFileBeforeUpload" :http-request="privateCertContentUpload">
                            <el-button type="primary">
                                <Icon icon="ep:upload" class="mr-5px" />
                                点击上传
                            </el-button>
                        </el-upload>
                    </el-form-item>
                </div>
                <el-form-item label-width="180px" label="备注" prop="remark">
                    <el-input v-model="formData.remark" :style="{ width: '100%' }" />
                </el-form-item>
            </el-form>
            <template #footer>
                <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="dialogVisible = false">取 消</el-button>
            </template>
        </Dialog>
    </div>
</template>
<script lang="ts" setup>
import { CommonStatusEnum } from '@/utils/constants'
import { DICT_TYPE, getDictOptions } from '@/utils/dict'
import * as ChannelApi from '@/api/pay/channel'

defineOptions({ name: 'WeixinChannelForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formData = ref<any>({
    appId: '',
    code: '',
    status: undefined,
    feeRate: undefined,
    remark: '',
    config: {
        appId: '',
        mchId: '',
        apiVersion: '',
        mchKey: '',
        keyContent: '',
        privateKeyContent: '',
        privateCertContent: '',
        apiV3Key: ''
    }
})
const formRules = {
    feeRate: [{ required: true, message: '请输入渠道费率', trigger: 'blur' }],
    status: [{ required: true, message: '渠道状态不能为空', trigger: 'blur' }],
    'config.mchId': [{ required: true, message: '请传入商户号', trigger: 'blur' }],
    'config.appId': [{ required: true, message: '请输入公众号APPID', trigger: 'blur' }],
    'config.apiVersion': [{ required: true, message: 'API版本不能为空', trigger: 'blur' }],
    'config.mchKey': [{ required: true, message: '请输入商户密钥', trigger: 'blur' }],
    'config.keyContent': [
        { required: true, message: '请上传 apiclient_cert.p12 证书', trigger: 'blur' }
    ],
    'config.privateKeyContent': [
        { required: true, message: '请上传 apiclient_key.pem 证书', trigger: 'blur' }
    ],
    'config.privateCertContent': [
        { required: true, message: '请上传 apiclient_cert.pem证 书', trigger: 'blur' }
    ],
    'config.apiV3Key': [{ required: true, message: '请上传 api V3 密钥值', trigger: 'blur' }]
}
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (appId, code) => {
    dialogVisible.value = true
    formLoading.value = true
    resetForm(appId, code)
    // 加载数据
    try {
        const data = await ChannelApi.getChannel(appId, code)
        if (data && data.id) {
            formData.value = data
            formData.value.config = JSON.parse(data.config)
        }
        dialogTitle.value = !formData.value.id ? '创建支付渠道' : '编辑支付渠道'
    } finally {
        formLoading.value = false
    }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
    // 校验表单
    if (!formRef.value) return
    const valid = await formRef.value.validate()
    if (!valid) return
    // 提交请求
    formLoading.value = true
    try {
        const data = { ...formData.value } as unknown as ChannelApi.ChannelVO
        data.config = JSON.stringify(formData.value.config)
        if (!data.id) {
            await ChannelApi.createChannel(data)
            message.success(t('common.createSuccess'))
        } else {
            await ChannelApi.updateChannel(data)
            message.success(t('common.updateSuccess'))
        }
        dialogVisible.value = false
        // 发送操作成功的事件
        emit('success')
    } finally {
        formLoading.value = false
    }
}

/** 重置表单 */
const resetForm = (appId, code) => {
    formData.value = {
        appId: appId,
        code: code,
        status: CommonStatusEnum.ENABLE,
        feeRate: undefined,
        remark: '',
        config: {
            appId: '',
            mchId: '',
            apiVersion: '',
            mchKey: '',
            keyContent: '',
            privateKeyContent: '',
            privateCertContent: '',
            apiV3Key: ''
        }
    }
    formRef.value?.resetFields()
}

/**
 * apiclient_cert.p12、apiclient_cert.pem、apiclient_key.pem 上传前的校验
 */
const fileBeforeUpload = (file, fileAccept) => {
    let format = '.' + file.name.split('.')[1]
    if (format !== fileAccept) {
        debugger
        message.error('请上传指定格式"' + fileAccept + '"文件')
        return false
    }
    let isRightSize = file.size / 1024 / 1024 < 2
    if (!isRightSize) {
        message.error('文件大小超过 2MB')
    }
    return isRightSize
}

const p12FileBeforeUpload = (file) => {
    fileBeforeUpload(file, '.p12')
}

const pemFileBeforeUpload = (file) => {
    fileBeforeUpload(file, '.pem')
}

/**
 * 读取 apiclient_key.pem 到 privateKeyContent 字段
 */
const privateKeyContentUpload = async (event) => {
    const readFile = new FileReader()
    readFile.onload = (e: any) => {
        formData.value.config.privateKeyContent = e.target.result
    }
    readFile.readAsText(event.file)
}

/**
 * 读取 apiclient_cert.pem 到 privateCertContent 字段
 */
const privateCertContentUpload = async (event) => {
    const readFile = new FileReader()
    readFile.onload = (e: any) => {
        formData.value.config.privateCertContent = e.target.result
    }
    readFile.readAsText(event.file)
}

/**
 * 读取 apiclient_cert.p12 到 keyContent 字段
 */
const keyContentUpload = async (event) => {
    const readFile = new FileReader()
    readFile.onload = (e: any) => {
        formData.value.config.keyContent = e.target.result.split(',')[1]
    }
    readFile.readAsDataURL(event.file) // 读成 base64
}
</script>
